GB981400A - A phase-modulation data transmission system - Google Patents

A phase-modulation data transmission system

Info

Publication number
GB981400A
GB981400A GB28878/61A GB2887861A GB981400A GB 981400 A GB981400 A GB 981400A GB 28878/61 A GB28878/61 A GB 28878/61A GB 2887861 A GB2887861 A GB 2887861A GB 981400 A GB981400 A GB 981400A
Authority
GB
United Kingdom
Prior art keywords
phase
carrier
degrees
ringing
outputs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB28878/61A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB981400A publication Critical patent/GB981400A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/2057—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases with a separate carrier for each phase state
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/14—Channel dividing arrangements, i.e. in which a single bit stream is divided between several baseband channels and reassembled at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2075—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the change in carrier phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB28878/61A 1960-08-15 1961-08-10 A phase-modulation data transmission system Expired GB981400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49544A US3128343A (en) 1960-08-15 1960-08-15 Data communication system

Publications (1)

Publication Number Publication Date
GB981400A true GB981400A (en) 1965-01-27

Family

ID=21960382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28878/61A Expired GB981400A (en) 1960-08-15 1961-08-10 A phase-modulation data transmission system

Country Status (6)

Country Link
US (1) US3128343A (sr)
BE (1) BE606814A (sr)
DE (1) DE1154151B (sr)
GB (1) GB981400A (sr)
NL (2) NL140119B (sr)
SE (1) SE304770B (sr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163321A (en) * 1981-12-28 1986-02-19 Lmt Radio Professionelle Interrogation signals

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160812A (en) * 1961-11-09 1964-12-08 Scantlin Electronics Inc Composite transmission system utilizing phase shift and amplitude modulation
GB991764A (en) * 1962-01-02 1965-05-12 British Telecomm Res Ltd Improvements in or relating to electrical signalling systems
US3336578A (en) * 1963-03-04 1967-08-15 Philco Ford Corp Detector of aperiodic diphase marker pulses
US3348149A (en) * 1963-05-24 1967-10-17 Robertshaw Controls Co Serial to diplex conversion system
US3378637A (en) * 1963-06-17 1968-04-16 Kokusai Denshin Denwa Co Ltd System for generating single sideband phase modulated telegraphic signals
US3337863A (en) * 1964-01-17 1967-08-22 Automatic Elect Lab Polybinary techniques
FR1404512A (fr) * 1964-05-08 1965-07-02 Cit Alcatel Récepteurs de télégraphie
FR1403768A (fr) * 1964-05-12 1965-06-25 Cit Alcatel Télégraphie à modulation trivalente
US3436730A (en) * 1964-05-28 1969-04-01 Ericsson Telefon Ab L M Method of detecting and correcting an error in polarity change in a data transmission system
DE1222974B (de) * 1965-02-04 1966-08-18 Siemens Ag Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form
US3401339A (en) * 1965-08-18 1968-09-10 Sylvania Electric Prod Bit synchronization of dpsk data transmission system
US3524023A (en) * 1966-07-14 1970-08-11 Milgo Electronic Corp Band limited telephone line data communication system
US3462681A (en) * 1967-08-23 1969-08-19 American Telephone & Telegraph Fault locating system utilizing narrow bandwidth channel to transmit fault surge arrival times to a master timing location
US3643023A (en) * 1968-03-01 1972-02-15 Milgo Electronic Corp Differential phase modulator and demodulator utilizing relative phase differences at the center of the modulation periods
US3579110A (en) * 1968-09-20 1971-05-18 Erwin J Hauber Digital data condensation system
JPS5122767B1 (sr) * 1970-02-10 1976-07-12
US3745250A (en) * 1971-10-19 1973-07-10 C Gerst Method and apparatus for binary data
US3749843A (en) * 1972-05-08 1973-07-31 Bell Telephone Labor Inc Digital amplitude modulator
US4008378A (en) * 1973-05-14 1977-02-15 Ns Electronics Multi-radix digital communications system with time-frequency and phase-shift multiplexing
US3990009A (en) * 1975-03-14 1976-11-02 Bell Telephone Laboratories, Incorporated Method and apparatus for uniquely encoding channels in a digital transmission system
US4049909A (en) * 1975-10-29 1977-09-20 Bell Telephone Laboratories, Incorporated Digital modulator
CH645489A5 (de) * 1979-02-08 1984-09-28 Bbc Brown Boveri & Cie Verfahren und schaltungsanordnung zur zeichenuebertragung mittels amplitudenmodulierten rundfunkeinrichtungen.
US4382297A (en) * 1980-10-24 1983-05-03 Bell Telephone Laboratories, Incorporated Demultiplex receiver apparatus
FR2533778A1 (fr) * 1982-09-28 1984-03-30 Lignes Telegraph Telephon Modulateur de phase differentiel
US4504802A (en) * 1983-07-27 1985-03-12 Hayes Microcomputer Products, Inc. Digital PSK modulator for modem
US4672632A (en) * 1984-02-03 1987-06-09 Motorola, Inc. Optimized communications system and method employing channel synthesis and phase lock detection
US4747114A (en) * 1984-09-24 1988-05-24 Racal Data Communications Inc. Modem clock with automatic gain control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE522578A (sr) * 1952-09-05
US2950348A (en) * 1954-08-03 1960-08-23 Philco Corp Combined encoder and decoder system
US2905812A (en) * 1955-04-18 1959-09-22 Collins Radio Co High information capacity phase-pulse multiplex system
US2870431A (en) * 1957-01-08 1959-01-20 Collins Radio Co Matrix-controlled phase-pulse generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163321A (en) * 1981-12-28 1986-02-19 Lmt Radio Professionelle Interrogation signals

Also Published As

Publication number Publication date
BE606814A (fr) 1961-12-01
US3128343A (en) 1964-04-07
NL267711A (sr)
NL140119B (nl) 1973-10-15
SE304770B (sr) 1968-10-07
DE1154151B (de) 1963-09-12

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